The Deceitful and The Deceased

(AU; Harry Potter; Hamlet-verse) His father had been killed by his uncle in cold blood, Prince Harrison was sure of it. But the only thing he needed was proof and evidence. The only thing standing in his way? Lady Ginevra, her brother Ronald and his step-father; King Sirius who will do anything to keep the truth from coming out. And that's why Harrison has a plan that will not fail